1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
//
// decl.cs: Declaration base class for structs, classes, enums and interfaces.
//
// Author: Miguel de Icaza (miguel@gnu.org)
//
// Licensed under the terms of the GNU GPL
//
// (C) 2001 Ximian, Inc (http://www.ximian.com)
//
// TODO: Move the method verification stuff from the class.cs and interface.cs here
//
using System;
using System.Collections;
using System.Reflection.Emit;
namespace Mono.CSharp {
/// <summary>
/// Base class for structs, classes, enumerations and interfaces.
/// </summary>
/// <remarks>
/// They all create new declaration spaces. This
/// provides the common foundation for managing those name
/// spaces.
/// </remarks>
public abstract class DeclSpace {
/// <summary>
/// this points to the actual definition that is being
/// created with System.Reflection.Emit
/// </summary>
TypeBuilder definition;
/// <summary>
/// Location where this declaration happens
/// </summary>
public readonly Location Location;
//
// This is the namespace in which this typecontainer
// was declared. We use this to resolve names.
//
Namespace my_namespace;
public Namespace Namespace {
get {
return my_namespace;
}
set {
my_namespace = value;
}
}
public readonly RootContext RootContext;
string name, basename;
/// <summary>
/// The result value from adding an declaration into
/// a struct or a class
/// </summary>
public enum AdditionResult {
/// <summary>
/// The declaration has been successfully
/// added to the declation space.
/// </summary>
Success,
/// <summary>
/// The symbol has already been defined.
/// </summary>
NameExists,
/// <summary>
/// Returned if the declation being added to the
/// name space clashes with its container name.
///
/// The only exceptions for this are constructors
/// and static constructors
/// </summary>
EnclosingClash,
/// <summary>
/// Returned if a constructor was created (because syntactically
/// it looked like a constructor) but was not (because the name
/// of the method is not the same as the container class
/// </summary>
NotAConstructor
}
public string Name {
get {
return name;
}
}
public string Basename {
get {
return basename;
}
}
/// <summary>
/// defined_names is used for toplevel objects
/// </summary>
protected Hashtable defined_names;
public DeclSpace (RootContext rc, string name, Location l)
{
this.name = name;
this.RootContext = rc;
this.basename = name.Substring (1 + name.LastIndexOf ('.'));
defined_names = new Hashtable ();
Location = l;
}
/// <summary>
/// Returns a status code based purely on the name
/// of the member being added
/// </summary>
protected AdditionResult IsValid (string name)
{
if (name == basename)
return AdditionResult.EnclosingClash;
if (defined_names.Contains (name))
return AdditionResult.NameExists;
return AdditionResult.Success;
}
/// <summary>
/// Introduce @name into this declaration space and
/// associates it with the object @o. Note that for
/// methods this will just point to the first method. o
/// </summary>
protected void DefineName (string name, object o)
{
defined_names.Add (name, o);
}
bool in_transit = false;
/// <summary>
/// This function is used to catch recursive definitions
/// in declarations.
/// </summary>
public bool InTransit {
get {
return in_transit;
}
set {
in_transit = value;
}
}
public TypeBuilder TypeBuilder {
get {
return definition;
}
set {
definition = value;
}
}
public Type LookupType (string name, bool silent)
{
return RootContext.LookupType (this, name, silent);
}
}
}
|
